Kathryn Mayhew, PAC
NPI 1558596924 · Physician Assistant · Wheeler, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Mayhew, PAC is a Physician Assistant provider in Wheeler, OR (NPI 1558596924).
Provider details
- NPI number
- 1558596924
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- PA150437 (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
102 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Urinalysis, Manual Test81002 | 58 | $3 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 16 | $12 |
| Hemoglobin A1c Level83036 | 14 | $10 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 14 | $6 |
Typical Medicare-allowed amounts for these services range $3–$12 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 179 | 56 |
| Omeprazole | 100 | 40 |
| Levothyroxine Sodium | 83 | 30 |
| Gabapentin | 72 | 35 |
| Metformin Hclbrand: Metformin Hcl Er | 70 | 16 |
| Losartan Potassium | 70 | 27 |
| Tizanidine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-28
- Last updated
- 2009-11-20
Frequently asked questions
- What is Kathryn Mayhew's NPI number?
- Kathryn Mayhew's National Provider Identifier (NPI) is 1558596924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Mayhew's specialty?
- Kathryn Mayhew is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Mayhew located?
- Kathryn Mayhew's practice location on file with NPPES is 230 Rowe St, Wheeler, OR 97147.
- What is Kathryn Mayhew's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Mayhew is (503) 368-5182.
- Does Kathryn Mayhew accept Medicare?
- Kathryn Mayhew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Mayhew's NPI active?
- Yes — Kathryn Mayhew's NPI (1558596924) is active in the NPPES registry as of the last update on 2009-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.